Side by side

Seiko Prospex SPEEDTIMER Mechanical ChronographvsZelos GT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

GT
ZelosGT
MSRP $499

At a glance

12 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical Chronograph42mm
GT42mm
Power Reserve
Prospex SPEEDTIMER Mechanical Chronograph45h
GT40h
Water Resistance
Prospex SPEEDTIMER Mechanical Chronograph100m
GT100m
MSRP
Prospex SPEEDTIMER Mechanical Chronograph$2,500
GT$499

Full specifications

Case

4 specs
Thickness
14.6mm
10.8mm
Lug-to-Lug
49.5mm
42mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
SS - Azzurro
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
8R48
Miyota 9133
Power Reserve
45h
40h
Jewels
34
25

Pricing

1 specs
MSRP
$2,500
$499

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex SPEEDTIMER Mechanical Chronograph

The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design with a clean, balanced dial and an external tachymeter bezel. Reviewers highlight the upgraded case and bracelet, noting improved comfort and good value for a well-designed chronograph with an in-house movement. The caliber 8R48 movement features a vertical clutch and column wheel with MEMS technology for durability and precision. Points to consider include the 4:30 date window and a 14.6mm thickness, while the 45-hour power reserve is noted as an area for potential improvement. On balance, reviewers find the Seiko Prospex SPEEDTIMER Mechanical Chronograph to be a solid offering with good value, particularly for its design and in-house movement.

Zelos GT

The Zelos GT is lauded for its value and bold design, with owners highlighting the cool power reserve meter and superb 3-point micro-adjust bracelet. Some owners find the case and lugs could hug the wrist better, and the bracelet is noted as being quite long, requiring significant link removal for a 7.1-inch wrist. The dark green dial, while inspired by Lamborghini, is described as appearing mostly black. Overall, owners rate the Zelos GT highly for its value and the quality of its bracelet at the price point.

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